Field girth on an erected tank is AGW-I or AGW-II; a vertical LNG or LPG seam is EGW. Parameters come from the project specification, not a published metres-per-day rate. Shop-built cans stay on HGZ or HGK.

Field girth on a standing tank is AGW-I or AGW-II; a vertical LNG or LPG seam is EGW. Every process figure comes from the project specification, not a published metres-per-day rate. Shop-built cans stay on HGZ or HGK.